| US 7,613,143 B2 | ||
| System and method for controlling network, network controlling apparatus, and mobile terminal used in network control system | ||
| Jun Kakishima, Yokohama (Japan); Masahiro Sawada, Yokohama (Japan); Takeshi Ihara, Yokosuka (Japan); and Shoichi Hirata, Fuchu (Japan) | ||
| Assigned to NTT DoCoMo, Inc., Tokyo (Japan) | ||
| Filed on Feb. 17, 2004, as Appl. No. 10/778,113. | ||
| Claims priority of application No. 2003-047762 (JP), filed on Feb. 25, 2003; and application No. 2003-179814 (JP), filed on Jun. 24, 2003. | ||
| Prior Publication US 2004/0252696 A1, Dec. 16, 2004 | ||
| Int. Cl. H04B 7/216 (2006.01); H04J 3/16 (2006.01) | ||
| U.S. Cl. 370—328 [370/335; 370/342; 370/466] | 15 Claims |
| 1. A network control system for controlling connection of a mobile terminal to a network that accommodates a plurality of
wireless systems, the network control system including a prescribed node provided on the network, the node comprising:
signal transmitting/receiving means that transmits and receives a control signal defined by each of the wireless systems;
protocol converting means that converts the control signal to a common protocol independent of each of the wireless systems;
entity communication controlling means that communicates with a plurality of functional entities provided on the network,
using the common protocol, to implement network control using the common protocol;
location registration ID managing means that manages a common location registration ID allocated in common to service areas
defined by wireless access points of the multiple types of wireless systems;
broadcasting means that causes the wireless access points to broadcast the common location registration ID; and
location registration means that carries out location registration using the common location registration ID upon receiving
a location registration request from the mobile terminal currently located in one of the service areas.
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